package com.study.javaOther.parse;

import java.util.HashMap;
import java.util.Map;

/**
 * @Name: MainTest
 * @Description: java类作用描述
 * @Author: yn
 * @CreateDate: 2022/8/24 16:32
 * @Remark: 特殊说明
 * @Version: 1.0
 */
public class MainTest {
	public static void main(String[] args) {
		Map<String,String> environment=System.getenv();
	}
}
